CIP: Bump version suffix to -cip56 after merge from stable

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
diff --git a/localversion-cip b/localversion-cip
index f59bf14..414552b 100644
--- a/localversion-cip
+++ b/localversion-cip
@@ -1 +1 @@
--cip55
+-cip56